| Airline | Contact | |
| America West Airlines | 800-327-7810 | http://www.americawest.com/ |
| American Airlines | 800-882-8880 | http://www.americanairlines.com/ |
| Northwest Airlines | 800-225-2525 | http://www.nwa.com/ |
| Southwest Airlines | 800-435-9792 | https://www.southwest.com/ |
| United Airlines | 877-228-1327 | http://www.united.com/ |